fi
TMPC="${TMPDIR1}/qemu-conf-${RANDOM}-$$-${RANDOM}.c"
-TMPO="${TMPDIR1}/qemu-conf-${RANDOM}-$$-${RANDOM}.o"
+TMPB="qemu-conf-${RANDOM}-$$-${RANDOM}"
+TMPO="${TMPDIR1}/${TMPB}.o"
+TMPCXX="${TMPDIR1}/${TMPB}.cxx"
+TMPL="${TMPDIR1}/${TMPB}.lo"
+TMPA="${TMPDIR1}/lib${TMPB}.la"
TMPE="${TMPDIR1}/qemu-conf-${RANDOM}-$$-${RANDOM}.exe"
# NB: do not call "exit" in the trap handler; this is buggy with some shells;
-trap "rm -f $TMPC $TMPO $TMPE" EXIT INT QUIT TERM
+trap "rm -f $TMPC $TMPO $TMPCXX $TMPE" EXIT INT QUIT TERM
rm -f config.log
# Print a helpful header at the top of config.log
exit 1
}
-do_cc() {
- # Run the compiler, capturing its output to the log.
- echo $cc "$@" >> config.log
- $cc "$@" >> config.log 2>&1 || return $?
+do_compiler() {
+ # Run the compiler, capturing its output to the log. First argument
+ # is compiler binary to execute.
+ local compiler="$1"
+ shift
+ echo $compiler "$@" >> config.log
+ $compiler "$@" >> config.log 2>&1 || return $?
# Test passed. If this is an --enable-werror build, rerun
# the test with -Werror and bail out if it fails. This
# makes warning-generating-errors in configure test code
return 0
;;
esac
- echo $cc -Werror "$@" >> config.log
- $cc -Werror "$@" >> config.log 2>&1 && return $?
+ echo $compiler -Werror "$@" >> config.log
+ $compiler -Werror "$@" >> config.log 2>&1 && return $?
error_exit "configure test passed without -Werror but failed with -Werror." \
"This is probably a bug in the configure script. The failing command" \
"will be at the bottom of config.log." \
"You can run configure with --disable-werror to bypass this check."
}
+do_cc() {
+ do_compiler "$cc" "$@"
+}
+
+do_cxx() {
+ do_compiler "$cxx" "$@"
+}
+
+update_cxxflags() {
+ # Set QEMU_CXXFLAGS from QEMU_CFLAGS by filtering out those
+ # options which some versions of GCC's C++ compiler complain about
+ # because they only make sense for C programs.
+ QEMU_CXXFLAGS=
+ for arg in $QEMU_CFLAGS; do
+ case $arg in
+ -Wstrict-prototypes|-Wmissing-prototypes|-Wnested-externs|\
+ -Wold-style-declaration|-Wold-style-definition|-Wredundant-decls)
+ ;;
+ *)
+ QEMU_CXXFLAGS=${QEMU_CXXFLAGS:+$QEMU_CXXFLAGS }$arg
+ ;;
+ esac
+ done
+}
+
compile_object() {
do_cc $QEMU_CFLAGS -c -o $TMPO $TMPC
}
do_cc $QEMU_CFLAGS $local_cflags -o $TMPE $TMPC $LDFLAGS $local_ldflags
}
+do_libtool() {
+ local mode=$1
+ shift
+ # Run the compiler, capturing its output to the log.
+ echo $libtool $mode --tag=CC $cc "$@" >> config.log
+ $libtool $mode --tag=CC $cc "$@" >> config.log 2>&1 || return $?
+ # Test passed. If this is an --enable-werror build, rerun
+ # the test with -Werror and bail out if it fails. This
+ # makes warning-generating-errors in configure test code
+ # obvious to developers.
+ if test "$werror" != "yes"; then
+ return 0
+ fi
+ # Don't bother rerunning the compile if we were already using -Werror
+ case "$*" in
+ *-Werror*)
+ return 0
+ ;;
+ esac
+ echo $libtool $mode --tag=CC $cc -Werror "$@" >> config.log
+ $libtool $mode --tag=CC $cc -Werror "$@" >> config.log 2>&1 && return $?
+ error_exit "configure test passed without -Werror but failed with -Werror." \
+ "This is probably a bug in the configure script. The failing command" \
+ "will be at the bottom of config.log." \
+ "You can run configure with --disable-werror to bypass this check."
+}
+
+libtool_prog() {
+ do_libtool --mode=compile $QEMU_CFLAGS -c -fPIE -DPIE -o $TMPO $TMPC || return $?
+ do_libtool --mode=link $LDFLAGS -o $TMPA $TMPL -rpath /usr/local/lib
+}
+
# symbolically link $1 to $2. Portable version of "ln -sf".
symlink() {
rm -rf "$2"
netmap="no"
pixman=""
sdl=""
+sdlabi="1.2"
virtfs=""
vnc="yes"
sparse="no"
usb_redir=""
glx=""
zlib="yes"
+lzo="no"
+snappy="no"
guest_agent=""
guest_agent_with_vss="no"
vss_win32_sdk=""
tpm="no"
libssh2=""
vhdx=""
+quorum="no"
# parse CC options first
for opt do
}
pkg_config=query_pkg_config
sdl_config="${SDL_CONFIG-${cross_prefix}sdl-config}"
+sdl2_config="${SDL2_CONFIG-${cross_prefix}sdl2-config}"
# If the user hasn't specified ARFLAGS, default to 'rv', just as make does.
ARFLAGS="${ARFLAGS-rv}"
# default flags for all hosts
-QEMU_CFLAGS="-fno-strict-aliasing $QEMU_CFLAGS"
+QEMU_CFLAGS="-fno-strict-aliasing -fno-common $QEMU_CFLAGS"
QEMU_CFLAGS="-Wall -Wundef -Wwrite-strings -Wmissing-prototypes $QEMU_CFLAGS"
QEMU_CFLAGS="-Wstrict-prototypes -Wredundant-decls $QEMU_CFLAGS"
QEMU_CFLAGS="-D_GNU_SOURCE -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE $QEMU_CFLAGS"
;;
--enable-sdl) sdl="yes"
;;
+ --with-sdlabi=*) sdlabi="$optarg"
+ ;;
--disable-qom-cast-debug) qom_cast_debug="no"
;;
--enable-qom-cast-debug) qom_cast_debug="yes"
;;
--disable-zlib-test) zlib="no"
;;
+ --enable-lzo) lzo="yes"
+ ;;
+ --enable-snappy) snappy="yes"
+ ;;
--enable-guest-agent) guest_agent="yes"
;;
--disable-guest-agent) guest_agent="no"
;;
--disable-vhdx) vhdx="no"
;;
+ --disable-quorum) quorum="no"
+ ;;
+ --enable-quorum) quorum="yes"
+ ;;
*) echo "ERROR: unknown option $opt"; show_help="yes"
;;
esac
--disable-werror disable compilation abort on warning
--disable-sdl disable SDL
--enable-sdl enable SDL
+ --with-sdlabi select preferred SDL ABI 1.2 or 2.0
--disable-gtk disable gtk UI
--enable-gtk enable gtk UI
--disable-virtfs disable VirtFS
--enable-libusb enable libusb (for usb passthrough)
--disable-usb-redir disable usb network redirection support
--enable-usb-redir enable usb network redirection support
+ --enable-lzo enable the support of lzo compression library
+ --enable-snappy enable the support of snappy compression library
--disable-guest-agent disable building of the QEMU Guest Agent
--enable-guest-agent enable building of the QEMU Guest Agent
--with-vss-sdk=SDK-path enable Windows VSS support in QEMU Guest Agent
--enable-libssh2 enable ssh block device support
--disable-vhdx disables support for the Microsoft VHDX image format
--enable-vhdx enable support for the Microsoft VHDX image format
+ --disable-quorum disable quorum block filter support
+ --enable-quorum enable quorum block filter support
NOTE: The object files are built at the place where configure is launched
EOF
fi
fi
+# Consult white-list to determine whether to enable werror
+# by default. Only enable by default for git builds
+z_version=`cut -f3 -d. $source_path/VERSION`
+
+if test -z "$werror" ; then
+ if test -d "$source_path/.git" -a \
+ "$linux" = "yes" ; then
+ werror="yes"
+ else
+ werror="no"
+ fi
+fi
+
# check that the C compiler works.
cat > $TMPC <<EOF
int main(void) { return 0; }
error_exit "\"$cc\" either does not exist or does not work"
fi
-# Consult white-list to determine whether to enable werror
-# by default. Only enable by default for git builds
-z_version=`cut -f3 -d. $source_path/VERSION`
+# Check that the C++ compiler exists and works with the C compiler
+if has $cxx; then
+ cat > $TMPC <<EOF
+int c_function(void);
+int main(void) { return c_function(); }
+EOF
-if test -z "$werror" ; then
- if test -d "$source_path/.git" -a \
- "$linux" = "yes" ; then
- werror="yes"
+ compile_object
+
+ cat > $TMPCXX <<EOF
+extern "C" {
+ int c_function(void);
+}
+int c_function(void) { return 42; }
+EOF
+
+ update_cxxflags
+
+ if do_cxx $QEMU_CXXFLAGS -o $TMPE $TMPCXX $TMPO $LDFLAGS; then
+ # C++ compiler $cxx works ok with C compiler $cc
+ :
else
- werror="no"
+ echo "C++ compiler $cxx does not work with C compiler $cc"
+ echo "Disabling C++ specific optional code"
+ cxx=
fi
+else
+ echo "No C++ compiler available; disabling C++ specific optional code"
+ cxx=
fi
gcc_flags="-Wold-style-declaration -Wold-style-definition -Wtype-limits"
fi
if test "$static" = "yes" ; then
+ if test "$modules" = "yes" ; then
+ error_exit "static and modules are mutually incompatible"
+ fi
if test "$pie" = "yes" ; then
error_exit "static and pie are mutually incompatible"
else
fi
fi
+# check for broken gcc and libtool in RHEL5
+if test -n "$libtool" -a "$pie" != "no" ; then
+ cat > $TMPC <<EOF
+
+void *f(unsigned char *buf, int len);
+void *g(unsigned char *buf, int len);
+
+void *
+f(unsigned char *buf, int len)
+{
+ return (void*)0L;
+}
+
+void *
+g(unsigned char *buf, int len)
+{
+ return f(buf, len);
+}
+
+EOF
+ if ! libtool_prog; then
+ echo "Disabling libtool due to broken toolchain support"
+ libtool=
+ fi
+fi
+
##########################################
# __sync_fetch_and_and requires at least -march=i486. Many toolchains
# use i686 as default anyway, but for those that don't, an explicit
"Make sure to have the zlib libs and headers installed."
fi
fi
-libs_softmmu="$libs_softmmu -lz"
+LIBS="$LIBS -lz"
+
+##########################################
+# lzo check
+
+if test "$lzo" != "no" ; then
+ cat > $TMPC << EOF
+#include <lzo/lzo1x.h>
+int main(void) { lzo_version(); return 0; }
+EOF
+ if compile_prog "" "-llzo2" ; then
+ :
+ else
+ error_exit "lzo check failed" \
+ "Make sure to have the lzo libs and headers installed."
+ fi
+
+ libs_softmmu="$libs_softmmu -llzo2"
+fi
+
+##########################################
+# snappy check
+
+if test "$snappy" != "no" ; then
+ cat > $TMPC << EOF
+#include <snappy-c.h>
+int main(void) { snappy_max_compressed_length(4096); return 0; }
+EOF
+ if compile_prog "" "-lsnappy" ; then
+ :
+ else
+ error_exit "snappy check failed" \
+ "Make sure to have the snappy libs and headers installed."
+ fi
+
+ libs_softmmu="$libs_softmmu -lsnappy"
+fi
##########################################
# libseccomp check
# Look for sdl configuration program (pkg-config or sdl-config). Try
# sdl-config even without cross prefix, and favour pkg-config over sdl-config.
-if test "`basename $sdl_config`" != sdl-config && ! has ${sdl_config}; then
- sdl_config=sdl-config
+
+if test $sdlabi = "2.0"; then
+ sdl_config=$sdl2_config
+ sdlname=sdl2
+ sdlconfigname=sdl2_config
+else
+ sdlname=sdl
+ sdlconfigname=sdl_config
fi
-if $pkg_config sdl --exists; then
- sdlconfig="$pkg_config sdl"
+if test "`basename $sdl_config`" != $sdlconfigname && ! has ${sdl_config}; then
+ sdl_config=$sdlconfigname
+fi
+
+if $pkg_config $sdlname --exists; then
+ sdlconfig="$pkg_config $sdlname"
_sdlversion=`$sdlconfig --modversion 2>/dev/null | sed 's/[^0-9]//g'`
elif has ${sdl_config}; then
sdlconfig="$sdl_config"
fi
fi
+##########################################
+# Quorum probe (check for gnutls)
+if test "$quorum" != "no" ; then
+cat > $TMPC <<EOF
+#include <gnutls/gnutls.h>
+#include <gnutls/crypto.h>
+int main(void) {char data[4096], digest[32];
+gnutls_hash_fast(GNUTLS_DIG_SHA256, data, 4096, digest);
+return 0;
+}
+EOF
+quorum_tls_cflags=`$pkg_config --cflags gnutls 2> /dev/null`
+quorum_tls_libs=`$pkg_config --libs gnutls 2> /dev/null`
+if compile_prog "$quorum_tls_cflags" "$quorum_tls_libs" ; then
+ qcow_tls=yes
+ libs_softmmu="$quorum_tls_libs $libs_softmmu"
+ libs_tools="$quorum_tls_libs $libs_softmmu"
+ QEMU_CFLAGS="$QEMU_CFLAGS $quorum_tls_cflags"
+else
+ echo "gnutls > 2.10.0 required to compile Quorum"
+ exit 1
+fi
+fi
+
##########################################
# VNC SASL detection
if test "$vnc" = "yes" -a "$vnc_sasl" != "no" ; then
fi
##########################################
-# netmap headers probe
+# netmap support probe
+# Apart from looking for netmap headers, we make sure that the host API version
+# supports the netmap backend (>=11). The upper bound (15) is meant to simulate
+# a minor/major version number. Minor new features will be marked with values up
+# to 15, and if something happens that requires a change to the backend we will
+# move above 15, submit the backend fixes and modify this two bounds.
if test "$netmap" != "no" ; then
cat > $TMPC << EOF
#include <inttypes.h>
#include <net/if.h>
#include <net/netmap.h>
#include <net/netmap_user.h>
+#if (NETMAP_API < 11) || (NETMAP_API > 15)
+#error
+#endif
int main(void) { return 0; }
EOF
if compile_prog "" "" ; then
else
glib_req_ver=2.12
fi
+glib_modules=gthread-2.0
+if test "$modules" = yes; then
+ glib_modules="$glib_modules gmodule-2.0"
+fi
-for i in gthread-2.0 gmodule-2.0; do
+for i in $glib_modules; do
if $pkg_config --atleast-version=$glib_req_ver $i; then
glib_cflags=`$pkg_config --cflags $i`
glib_libs=`$pkg_config --libs $i`
# For 'ust' backend, test if ust headers are present
if test "$trace_backend" = "ust"; then
cat > $TMPC << EOF
-#include <ust/tracepoint.h>
-#include <ust/marker.h>
+#include <lttng/tracepoint.h>
int main(void) { return 0; }
EOF
if compile_prog "" "" ; then
- LIBS="-lust -lurcu-bp $LIBS"
- libs_qga="-lust -lurcu-bp $libs_qga"
+ if $pkg_config lttng-ust --exists; then
+ lttng_ust_libs=`$pkg_config --libs lttng-ust`
+ else
+ lttng_ust_libs="-llttng-ust"
+ fi
+ if $pkg_config liburcu-bp --exists; then
+ urcu_bp_libs=`$pkg_config --libs liburcu-bp`
+ else
+ urcu_bp_libs="-lurcu-bp"
+ fi
+
+ LIBS="$lttng_ust_libs $urcu_bp_libs $LIBS"
+ libs_qga="$lttng_ust_libs $urcu_bp_libs $libs_qga"
else
- error_exit "Trace backend 'ust' missing libust header files"
+ error_exit "Trace backend 'ust' missing lttng-ust header files"
fi
fi
cat > $TMPC << EOF
#include <cpuid.h>
int main(void) {
- return 0;
+ unsigned a, b, c, d;
+ int max = __get_cpuid_max(0, 0);
+
+ if (max >= 1) {
+ __cpuid(1, a, b, c, d);
+ }
+
+ if (max >= 7) {
+ __cpuid_count(7, 0, a, b, c, d);
+ }
+
+ return 0;
}
EOF
if compile_prog "" "" ; then
echo "TPM passthrough $tpm_passthrough"
echo "QOM debugging $qom_cast_debug"
echo "vhdx $vhdx"
+echo "Quorum $quorum"
+echo "lzo support $lzo"
+echo "snappy support $snappy"
if test "$sdl_too_old" = "yes"; then
echo "-> Your SDL version is too old - please upgrade to have SDL support"
echo "GLX_LIBS=$glx_libs" >> $config_host_mak
fi
+if test "$lzo" = "yes" ; then
+ echo "CONFIG_LZO=y" >> $config_host_mak
+fi
+
+if test "$snappy" = "yes" ; then
+ echo "CONFIG_SNAPPY=y" >> $config_host_mak
+fi
+
if test "$libiscsi" = "yes" ; then
echo "CONFIG_LIBISCSI=m" >> $config_host_mak
if test "$libiscsi_version" = "1.4.0"; then
echo "LIBSSH2_LIBS=$libssh2_libs" >> $config_host_mak
fi
+if test "$quorum" = "yes" ; then
+ echo "CONFIG_QUORUM=y" >> $config_host_mak
+fi
+
if test "$virtio_blk_data_plane" = "yes" ; then
echo 'CONFIG_VIRTIO_BLK_DATA_PLANE=$(CONFIG_VIRTIO)' >> $config_host_mak
fi
projects / qemu.git / blobdiff